Give examples to explain the difference between changes that can or cannot be reversed.

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Solution

Reversible change

Irreversible change

Making ice from water

Making curd from milk

Inflating a balloon:

Bursting of balloon

Folding the paper

Cutting the paper

Glowing of electric bulb

Burning of candle

Collapsing of mimosa

Growth of plants and animals.

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Similar questions

Q. Conversion of ice into water and water into ice is an example of change that can be reversed. Give four more examples where you can say that the changes can be reversed.

Q. Give an example in the given case:
(a) Change which occurs on heating but can be reversed.
(b) Change that occurs on heating but cannot be reversed.
(c) Change occurs on cooling but can be reversed.
(d) Change occurs on mixing two substances but can be reversed.
(e) Change which occurs on mixing two substances, but cannot be reversed.

Question 15

Give one example in each case.
Change which occurs on heating but can be reversed.
Change which occurs on heating but cannot be reversed.
Change which occurs on cooling but can be reversed.
Change which occurs on mixing two substances but can be reversed.
Change which occurs on mixing two substances but cannot be reversed.

Q. Give two examples for each of the following cases:
(a) Physical changes that are reversible
(b) Physical changes that are not reversible
(c) Chemical changes

Which of the following statements is incorrect?

Statement 1: Changes are the differences in the state of affairs.

Statement 2: Change can be grouped into reversible and irreversible change.

Statement 3: Changes that can not be undone are reversible changes and changes that can be undone are irreversible changes.

Statement 4: There are many ways in which change can be brought about.

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Condensation

Standard VI Chemistry

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Reversible change	Irreversible change
Making ice from water	Making curd from milk
Inflating a balloon:	Bursting of balloon
Folding the paper	Cutting the paper
Glowing of electric bulb	Burning of candle
Collapsing of mimosa	Growth of plants and animals.

Give examples to explain the difference between changes that can or cannot be reversed.​

Reversible change​ Irreversible change​ Making ice from water​ Making curd from milk​ Inflating a balloon:​ Bursting of balloon​ Folding the paper​ Cutting the paper​ Glowing of electric bulb​ Burning of candle​ Collapsing of mimosa ​ Growth of plants and animals.​

Give examples to explain the difference between changes that can or cannot be reversed.

Reversible change

Irreversible change

Making ice from water

Making curd from milk

Inflating a balloon:

Bursting of balloon

Folding the paper

Cutting the paper

Glowing of electric bulb

Burning of candle

Collapsing of mimosa

Growth of plants and animals.